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Finding the Fourth Proportional to 481,051.58, 663,841.35 and 266,191.56

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Solution

The fourth proportional to 481,051.58, 663,841.35 and 266,191.56 is: 367,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,051.58 : 663,841.35 = 266,191.56 : x
  2. Step 2: Convert to fraction form
    481,051.58/663,841.35 = 266,191.56/x
  3. Step 3: Cross multiply
    481,051.58x = 663,841.35 × 266,191.56
  4. Step 4: Simplify right side
    481,051.58x = 176,708,964,549.01
  5. Step 5: Solve for x
    x = 176,708,964,549.01/481,051.58
  6. Step 6: Final answer
    x = 367,338.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.